Re: [PATCH 1/2] Revert "Revert "HID: Fix logitech-dj: missing Unifying device issue""

[Peter Hurley <peter@hurleysoftware.com>]

On 07/22/2013 07:44 AM, Jiri Kosina wrote:
> On Fri, 19 Jul 2013, Peter Hurley wrote:
>
>>>> As far as getting printk output from a custom kernel, I think that may
>>>> be beyond the reporter's capability. Perhaps one of the Ubuntu devs
>>>> triaging this bug could provide a test kernel for the OP with those
>>>> options on.
>>>>
>>>> Joseph, would you be willing to do that?
>>>
>>> Sure thing.  I'll build a kernel and request that the bug reporter
>>> collect usbmon data.
>>
>> Thanks Joseph for building the test kernel and getting it to the reporter!
>>
>> Sarah,
>>
>> I've attached the dmesg capture supplied by the original reporter on
>> a 3.10 custom kernel w/ the kbuild options you requested.
>>
>> It seems as if your initial suspicion is correct:
>>
>> [   46.785490] xhci_hcd 0000:00:14.0: Endpoint 0x81 not halted, refusing to
>> reset.
>> [   46.785493] xhci_hcd 0000:00:14.0: Endpoint 0x82 not halted, refusing to
>> reset.
>> [   46.785496] xhci_hcd 0000:00:14.0: Endpoint 0x83 not halted, refusing to
>> reset.
>> [   46.785952] xhci_hcd 0000:00:14.0: Waiting for status stage event
>>
>> At this point, would you recommend proceeding with the workaround or
>> waiting for an xHCI bug fix?
>
> Thanks for your efforts.
>
> Seems like this might be a part of the picture, but not a complete one.
> Linus claims to have similar problem, but his receiver is not connected
> through xHCI (I got this as an off-list report, so can't really provide a
> pointer to ML archives).

Ah, ok. I wasn't aware of that. I'll assume then that the necessary
people have the complete picture.

Regards,
Peter Hurley